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1、程序填空题1、#includevoidmain()intn,k=0;scanf(%d,&n);while(_1_)/1)n 2)n!=0;k+;_2_; n=n/10printf(%dn,k);2、#include#include#definef(x)x*x-5*x+sin(x)voidmain()intx;floatmax;_1_/ max=f(1);for(x=2;xmax)max=f(i);printf(%fn,max);3、#includevoidmain()charc;c=getchar();if(_1_)/c=a&c=v&c=z)_2_/c=c-21;putchar(c);4、#i
2、ncludevoidDec2Bin(intm)intbin32,j;for(j=0;m!=0;j+)binj=_1_;/m%2m=m/2;for(;j!=0;j-)printf(%d,_2_);voidmain()intn;scanf(%d,&n);Dec2Bin(n);/binj-15、#include#includevoidmain()intn,s=0;scanf(%d,&n);_1_/n=(n0?n:-n); 2) n=fabs(n);while(n!=0)_2_/s=s+n%10;n=n/10;printf(%dn,s);6、/#includevoidswap(_1_) /int*pa
3、,int*pb/* 交换两个数的位置 */inttemp;temp=*pa;*pa=*pb;*pb=temp;voidmain()inta,b,c,temp;scanf(%d%d%d,&a,&b,&c);if(ab)swap(&a,&b);if(bc)swap(&b,&c);if(_2_)/abswap(&a,&b);printf(%d,%d,%d,a,b,c);7、#include_1_/ longf(intn)；voidmain()printf(%ldn,f(30);longf(intn)if(_2_)/n=1|n=2return1;elsereturnf(n-1)+f(n-2);8、#i
4、ncludevoidmain()chars80;inti,j;gets(s);for(i=j=0;_1_;i+)/si!=0 if(si!=c)sj=si;_2_/j+;sj=0;puts(s);9、#includestructSTUDENTcharname16;intmath;intenglish;intcomputer;intaverage;voidGetAverage(structSTUDENT*pst)/*计算平均成绩 */intsum=0;sum=_1_;/sum+pst-math+pst-English+pst-computerpst-average=sum/3;voidmain(
5、)inti;structSTUDENTst4=Jessica,98,95,90,Mike,80,80,90,Linda,87,76,70,Peter,90,100,99;for(i=0;i4;i+)GetAverage(_2_);/&stiprintf(NametMathtEnglishtComputAveragen);for(i=0;i4;i+)printf(%st%dt%dt%dt%dn,sti.name,sti.math,sti.english,puter,sti.average);10、#include#includelongf(longn)longm,y=0;m=fabs(n);wh
6、ile(m!=0)y=y*10+m%10;_1_/m=m/10;if(n=0)returny;else_2_ /return(-y);voidmain()printf(%ldt,f(12345);printf(%ldn,f(-34567);11、#includefloatf(float,float*,int);voidmain()floatb5=1.1,2.2,3.3,4.4,5.5;printf(%fn,f(1.7,b,5);floatf(_1_)/ floatx,floata,intnfloaty=a0,t=1;inti;for(i=1;in;i+)t=t*x;y=y+ai*t;_2_/r
7、eturny12、#include#include#includevoidf(char*s)inti=0;while(si!=0)if(isdigit(si)_1_(s+i,s+i+1);/ strcpy_2_i+; /elsevoidmain()charstr80;gets(str);f(str);puts(str);13、#include#includevoidmain()chara80;intn3=0,i;gets(a);_1_/for(i=0;ai!=0;i+)if(tolower(ai)=a&tolower(ai)=0&ai=9n1+;elsen2+;for(i=0;i3;i+)printf(%dn,ni);14、#include#includevoidmain()inti,a,b,c;for(i=100;i=999;i+)a=i/100;_1_/b=i%100/10;c=i%10;if(_2_)/i=a*a*a+b*b*b+c*c*cprintf(%disaArmstrongnumber!n,i);15、#includevoidmain()inta10,b10,i;printf(nInput10numbers:);for(i=0;i10;i+)/*数组输入 */scanf(%d,&ai);for(i=1;i10;i+)bi=_1_
